28378882

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 26364158

約数列:

[1, 2, 7, 14, 17, 34, 43, 47, 59, 86, 94, 118, 119, 238, 301, 329, 413, 602, 658, 731, 799, 826, 1003, 1462, 1598, 2006, 2021, 2537, 2773, 4042, 5074, 5117, 5546, 5593, 7021, 10234, 11186, 14042, 14147, 17759, 19411, 28294, 34357, 35518, 38822, 43129, 47141, 68714, 86258, 94282, 119239, 238478, 240499, 301903, 329987, 480998, 603806, 659974, 834673, 1669346, 2027063, 4054126, 14189441, 28378882]

約数ペア:

[(1, 28378882), (2, 14189441), (7, 4054126), (14, 2027063), (17, 1669346), (34, 834673), (43, 659974), (47, 603806), (59, 480998), (86, 329987), (94, 301903), (118, 240499), (119, 238478), (238, 119239), (301, 94282), (329, 86258), (413, 68714), (602, 47141), (658, 43129), (731, 38822), (799, 35518), (826, 34357), (1003, 28294), (1462, 19411), (1598, 17759), (2006, 14147), (2021, 14042), (2537, 11186), (2773, 10234), (4042, 7021), (5074, 5593), (5117, 5546)]